PFAS in Littleton, CO Drinking Water
PFAS data for Littleton, Colorado · 105,898 residents · 16 ZIP codes
Not every city shows PFAS in its water data; in Littleton, Colorado, federal sampling has confirmed its presence at detectable levels in at least one recent reporting cycle.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Littleton Tap Water
PFAS has been detected in Littleton, Colorado drinking water at a maximum level of 0.0087 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 105,898 residents across 16 ZIP codes in Littleton.
Littleton's overall water quality grade is C (68/100).
Is PFAS in Littleton Water Safe?
PFAS was detected in Littleton water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.
If you are concerned, a reverse osmosis or granular activated carbon filter can reduce pfas levels further.
PFAS Levels by ZIP Code
| ZIP Code | PFAS Level | EPA Limit | Status |
|---|---|---|---|
| 80126 | 19 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 80129 | 19 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 80130 | 19 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 80120 | 11 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 80125 | 9 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
Average pfas level across Littleton: 15.4 ppt
Health Effects of PFAS
- Increased risk of kidney and testicular cancer
- Thyroid disease and immune system suppression
- Reproductive problems and reduced fertility
- Elevated cholesterol and liver effects
- Developmental effects in infants and children
Health risk severity: High. Governed by the PFAS National Primary Drinking Water Regulation (2024).
How PFAS Gets Into Drinking Water
- Firefighting foam (AFFF) used at military bases and airports
- Industrial manufacturing (non-stick coatings, stain-resistant fabrics)
- Wastewater treatment plants that receive industrial discharge
- Landfill leachate from PFAS-containing consumer products
What to Do About PFAS in Littleton Water
- Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
- Granular activated carbon (GAC) filters remove some PFAS compounds
- Look for NSF 53 or NSF 58 certification specifically tested for PFAS
- Pitcher filters with activated carbon provide partial reduction
Look for filters certified under NSF 53 / NSF 58 for pfas removal.